转出EXCEl报错

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在执行导出操作时，未知的异常出现。请再次尝试。
{
  "ClassName": "System.AggregateException",
  "Message": "One or more errors occurred.",
  "Data": null,
  "InnerException": {
"$type": "System.Data.SqlClient.SqlException, System.Data.SqlClient",
"ClassName": "System.Data.SqlClient.SqlException",
"Message": "Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.",
"Data": {
   "$type": "System.Collections.ListDictionaryInternal, System.Private.CoreLib",
   "HelpLink.ProdName": "Microsoft SQL Server",
   "HelpLink.ProdVer": "13.00.4001",
   "HelpLink.EvtSrc": "MSSQLServer",
   "HelpLink.EvtID": "-2",
   "HelpLink.BaseHelpUrl": "https://go.microsoft.com/fwlink",
   "HelpLink.LinkId": "20476",
   "SqlError 1": "System.Data.SqlClient.SqlError: Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding."
},
"InnerException": {
   "$type": "System.ComponentModel.Win32Exception, Microsoft.Win32.Primitives",
   "ClassName": "System.ComponentModel.Win32Exception",
   "Message": "等待的操作过时。",
   "Data": null,
   "InnerException": null,
   "HelpURL": null,
   "StackTraceString": null,
   "RemoteStackTraceString": null,
   "RemoteStackIndex": 0,
   "ExceptionMethod": null,
   "HResult": -2147467259,
   "Source": null,
   "WatsonBuckets": null,
   "NativeErrorCode": 258
},
"HelpURL": null,
"StackTraceString": " at System.Data.SqlClient.SqlCommand.<>c.<ExecuteDbDataReaderAsync>b__126_0(Task`1 result)
at System.Threading.Tasks.ContinuationResultTaskFromResultTask`2.InnerInvoke()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
--- End of stack trace from previous location ---
at Forguncy.DataSourceBase.FillTableAsync(String commandText, IEnumerable`1 parameters)
at ForguncyDataAccess.DataAccess.a(String A_0, String A_1, DataBaseType A_2, DbParameter[] A_3)
at ForguncyDataAccess.DataAccess.SelectAsync(List`1 columnBindingInfos, ISqlCondition selectCondition, TopSqlConditionBase topCondition, String tableName, OrderBySqlCondition orderByCondition, OffsetSqlCondition offsetCondition, Boolean useGroupBy)
at Forguncy.Server2.ForguncyServerDataAccess.SelectAsync(List`1 columnBindingInfos, ISqlCondition selectCondition, TopSqlConditionBase topCondition, String tableName, OrderBySqlCondition orderByCondition, OffsetSqlCondition offsetCondition, Boolean useGroupBy)
at ForguncyDataAccess.DataAccess.GetDetailDataTableAsync(List`1 columnBindingInfos, ISqlCondition sqlCondition, TopSqlConditionBase topCondition, OrderBySqlCondition orderByCondition, List`1 primaryKeys, OffsetSqlCondition offsetCondition, Boolean distinct)
at ForguncyDataAccess.DataAccess.<>c__DisplayClass30_0.<<GetDetailDataTable>b__0>d.MoveNext()",
"RemoteStackTraceString": null,
"RemoteStackIndex": 0,
"ExceptionMethod": null,
"HResult": -2146232060,
"Source": "Core .Net SqlClient Data Provider",
"WatsonBuckets": null,
"Errors": null,
"ClientConnectionId": "e4252761-1bb5-4ff7-93fb-0b5e93fb2745"
  },
  "HelpURL": null,
  "StackTraceString": " at Forguncy.Server2.Controllers.b.a9(String A_0, String A_1)
at Forguncy.Server2.Controllers.a.a(ListViewInfo A_0, Boolean A_1)
at Forguncy.Server2.Controllers.a.e(GcExcelSheetWrapper A_0, List`1 A_1)
at Forguncy.Server2.Controllers.a.b(Int32 A_0)
at Forguncy.Server2.Controllers.a.c(Int32 A_0)
at Forguncy.Server2.Controllers.a.a(Int32 A_0)
at Forguncy.Server2.Controllers.a.a(Func`2 A_0)
at Forguncy.Server2.Controllers.a.c(Boolean A_0)
at Forguncy.Server2.Controllers.a.i()
at Forguncy.Server2.Controllers.HomeController.a(Object A_0)",
  "RemoteStackTraceString": null,
  "RemoteStackIndex": 0,
  "ExceptionMethod": null,
  "HResult": -2146233088,
  "Source": "Forguncy.Server2",
  "WatsonBuckets": null,
  "InnerExceptions": {
"$type": "System.Exception[], System.Private.CoreLib",
"$values": [
   {
      "$type": "System.Data.SqlClient.SqlException, System.Data.SqlClient",
      "ClassName": "System.Data.SqlClient.SqlException",
      "Message": "Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.",
      "Data": {
      "$type": "System.Collections.ListDictionaryInternal, System.Private.CoreLib",
      "HelpLink.ProdName": "Microsoft SQL Server",
      "HelpLink.ProdVer": "13.00.4001",
      "HelpLink.EvtSrc": "MSSQLServer",
      "HelpLink.EvtID": "-2",
      "HelpLink.BaseHelpUrl": "https://go.microsoft.com/fwlink",
      "HelpLink.LinkId": "20476",
      "SqlError 1": "System.Data.SqlClient.SqlError: Timeout expired.  The timeout period elapsed prior to completion of the operation or the server is not responding."
      },
      "InnerException": {
      "$type": "System.ComponentModel.Win32Exception, Microsoft.Win32.Primitives",
      "ClassName": "System.ComponentModel.Win32Exception",
      "Message": "等待的操作过时。",
      "Data": null,
      "InnerException": null,
      "HelpURL": null,
      "StackTraceString": null,
      "RemoteStackTraceString": null,
      "RemoteStackIndex": 0,
      "ExceptionMethod": null,
      "HResult": -2147467259,
      "Source": null,
      "WatsonBuckets": null,
      "NativeErrorCode": 258
      },
      "HelpURL": null,
      "StackTraceString": " at System.Data.SqlClient.SqlCommand.<>c.<ExecuteDbDataReaderAsync>b__126_0(Task`1 result)
at System.Threading.Tasks.ContinuationResultTaskFromResultTask`2.InnerInvoke()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
--- End of stack trace from previous location ---
at Forguncy.DataSourceBase.FillTableAsync(String commandText, IEnumerable`1 parameters)
at ForguncyDataAccess.DataAccess.a(String A_0, String A_1, DataBaseType A_2, DbParameter[] A_3)
at ForguncyDataAccess.DataAccess.SelectAsync(List`1 columnBindingInfos, ISqlCondition selectCondition, TopSqlConditionBase topCondition, String tableName, OrderBySqlCondition orderByCondition, OffsetSqlCondition offsetCondition, Boolean useGroupBy)
at Forguncy.Server2.ForguncyServerDataAccess.SelectAsync(List`1 columnBindingInfos, ISqlCondition selectCondition, TopSqlConditionBase topCondition, String tableName, OrderBySqlCondition orderByCondition, OffsetSqlCondition offsetCondition, Boolean useGroupBy)
at ForguncyDataAccess.DataAccess.GetDetailDataTableAsync(List`1 columnBindingInfos, ISqlCondition sqlCondition, TopSqlConditionBase topCondition, OrderBySqlCondition orderByCondition, List`1 primaryKeys, OffsetSqlCondition offsetCondition, Boolean distinct)
at ForguncyDataAccess.DataAccess.<>c__DisplayClass30_0.<<GetDetailDataTable>b__0>d.MoveNext()",
      "RemoteStackTraceString": null,
      "RemoteStackIndex": 0,
      "ExceptionMethod": null,
      "HResult": -2146232060,
      "Source": "Core .Net SqlClient Data Provider",
      "WatsonBuckets": null,
      "Errors": null,
      "ClientConnectionId": "e4252761-1bb5-4ff7-93fb-0b5e93fb2745"
   }
]
  }
}

CurrentMethodName: ExportToExcelThread

你好，转出EXCEl报错，如何解决？谢谢！
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